The Nest thermostat is one of the most popular smart thermostats you can buy. And for good reason. It figures out your temperature preferences and makes an energy-efficient schedule to match. And through geofencing with your phone, the Nest Learning Thermostat and Nest E know when you’re at your house or out and about and can raise and lower settings to help you save even more.

The Nest works with a vast range of 24-volt heating and cooling systems, but it’s always a wise idea to visit the Nest thermostat compatibility checker before purchasing one. Don’t forget to check with your energy company for valuable rebates, since you might be able to get a Nest for free or close to it.

Once you’ve made sure it’s compatible, you can either hook it up without help or call a HVAC specialist like Home Comfort Heating & Air. If you’re wiring it on your own, you’ll spot a terminal for the C-wire, or common wire. This wire is only used for powering your thermostat. If your home or HVAC system is older, you might not have one of these wires. Most of the time, Nest says this isn’t an issue because the thermostat can draw ample power from other heating and cooling wires.

In some cases, your heating and cooling system might need that C-wire. And here’s why.

Why Your Nest Keeps Losing Power and Other Problems

The Google Nest Thermostat is a step up from aging programmable thermostats that use a combination of wiring and AA batteries for power. It has a rechargeable lithium-ion battery and wiring to connect to Wi-Fi, power its digital display and operate your heating and cooling system.

8 Common Nest Thermostat Problems

If it can’t receive enough electricity, Nest says you might have some of these troubles:

  1. Bad battery life.
  2. Thermostat motion sensing won’t work.
  3. Your thermostat every now and then disconnects from Wi-Fi.
  4. Your system unexpectedly turns on or off, or won’t shut off.
  5. Your system is making strange noises, including chattering, stuttering, clicking or thumping.
  6. Heating or cooling is short cycling, or constantly turning on and off in a short period of time.
  7. There is a delay notice on your Nest thermostat’s screen, along the lines of “heating is delayed for 2:30 minutes.”
  8. The system fan is continuously working, won’t run or turns off and on frequently in a short period of time.

You may worry something is wrong with your heating and cooling system, but if you just installed the Nest, we recommend you check your thermostat initially. This is especially timely if the weather is mild, and you haven’t been relying on your heat or air conditioning consistently.

Our Pros Can Solve Nest Thermostat Issues

If you’ve gone through Nest thermostat troubleshooting on your own but can’t fix the dilemma, a smart thermostat specialist such as one from Home Comfort Heating & Air can support you. We can diagnose the problem and put in a C-wire, if needed.

Smart thermostats like the Nest are created to make your life simpler, with automatic energy-efficient programming and the opportunity to monitor settings while you’re out. It’s a frustrating experience when yours won’t run like it should, but our heating and cooling experts at Home Comfort Heating & Air can take care of the trouble quickly.

If you’re experiencing strange heating and cooling behavior with your new Nest, give us a call at to book your appointment now.